40073607 has 72 divisors (see below), whose sum is σ = 73562112. Its totient is φ = 20563200.

The previous prime is 40073599. The next prime is 40073611. The reversal of 40073607 is 70637004.

It is not a de Polignac number, because 40073607 - 2³ = 40073599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40073617) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 564382 + ... + 564452.

It is an arithmetic number, because the mean of its divisors is an integer number (1021696).

Almost surely, 2^40073607 is an apocalyptic number.

40073607 is a deficient number, since it is larger than the sum of its proper divisors (33488505).

40073607 is a wasteful number, since it uses less digits than its factorization.

40073607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 40073607 is about 6330.3717900294. The cubic root of 40073607 is about 342.2048377904.

The spelling of 40073607 in words is "forty million, seventy-three thousand, six hundred seven".